import open3d as o3d
# visualization of point clouds.
pcd = o3d.io.read_point_cloud('/home/wsl/zz/replay_93936_2021-9-22.ply')
pcd1 = o3d.io.read_point_cloud('/home/wsl/zz/replay_99587_2021-9-24.ply')
o3d.visualization.draw_geometries([pcd,pcd1])
